isdn/gigaset: beautify ev-layer.c

Cosmetic changes to drivers/isdn/gigaset/ev-layer.c and
drivers/isdn/gigaset/gigaset.h to improve readability.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2013-01-21 11:57:21 +00:00 committed by David S. Miller
parent bc882b1880
commit 63b203b43b
2 changed files with 64 additions and 64 deletions

View File

@ -351,10 +351,11 @@ struct reply_t gigaset_tab_cid[] =
static const struct resp_type_t {
unsigned char *response;
int resp_code;
int type;
} resp_type[] =
char *response;
int resp_code;
int type;
}
resp_type[] =
{
{"OK", RSP_OK, RT_NOTHING},
{"ERROR", RSP_ERROR, RT_NOTHING},
@ -374,11 +375,12 @@ static const struct resp_type_t {
};
static const struct zsau_resp_t {
unsigned char *str;
int code;
} zsau_resp[] =
char *str;
int code;
}
zsau_resp[] =
{
{"OUTGOING_CALL_PROCEEDING", ZSAU_OUTGOING_CALL_PROCEEDING},
{"OUTGOING_CALL_PROCEEDING", ZSAU_PROCEEDING},
{"CALL_DELIVERED", ZSAU_CALL_DELIVERED},
{"ACTIVE", ZSAU_ACTIVE},
{"DISCONNECT_IND", ZSAU_DISCONNECT_IND},
@ -434,7 +436,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
len = cs->cbytes;
if (!len) {
/* ignore additional LFs/CRs (M10x config mode or cx100) */
gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[len]);
gig_dbg(DEBUG_MCMD, "skipped EOL [%02X]", cs->respdata[0]);
return;
}
cs->respdata[len] = 0;
@ -707,27 +709,29 @@ static void schedule_init(struct cardstate *cs, int state)
cs->commands_pending = 1;
}
/* Add "AT" to a command, add the cid, dle encode it, send the result to the
hardware. */
static void send_command(struct cardstate *cs, const char *cmd, int cid,
int dle, gfp_t kmallocflags)
/* send an AT command
* adding the "AT" prefix, cid and DLE encapsulation as appropriate
*/
static void send_command(struct cardstate *cs, const char *cmd,
struct at_state_t *at_state)
{
int cid = at_state->cid;
struct cmdbuf_t *cb;
size_t buflen;
buflen = strlen(cmd) + 12; /* DLE ( A T 1 2 3 4 5 <cmd> DLE ) \0 */
cb = kmalloc(sizeof(struct cmdbuf_t) + buflen, kmallocflags);
cb = kmalloc(sizeof(struct cmdbuf_t) + buflen, GFP_ATOMIC);
if (!cb) {
dev_err(cs->dev, "%s: out of memory\n", __func__);
return;
}
if (cid > 0 && cid <= 65535)
cb->len = snprintf(cb->buf, buflen,
dle ? "\020(AT%d%s\020)" : "AT%d%s",
cs->dle ? "\020(AT%d%s\020)" : "AT%d%s",
cid, cmd);
else
cb->len = snprintf(cb->buf, buflen,
dle ? "\020(AT%s\020)" : "AT%s",
cs->dle ? "\020(AT%s\020)" : "AT%s",
cmd);
cb->offset = 0;
cb->next = NULL;
@ -886,7 +890,7 @@ static void finish_shutdown(struct cardstate *cs)
gigaset_isdn_stop(cs);
}
/* The rest is done by cleanup_cs () in user mode. */
/* The rest is done by cleanup_cs() in process context. */
cs->cmd_result = -ENODEV;
cs->waiting = 0;
@ -976,10 +980,9 @@ exit:
}
static void handle_icall(struct cardstate *cs, struct bc_state *bcs,
struct at_state_t **p_at_state)
struct at_state_t *at_state)
{
int retval;
struct at_state_t *at_state = *p_at_state;
retval = gigaset_isdn_icall(at_state);
switch (retval) {
@ -1176,7 +1179,7 @@ static void do_action(int action, struct cardstate *cs,
spin_unlock_irqrestore(&cs->lock, flags);
break;
case ACT_ICALL:
handle_icall(cs, bcs, p_at_state);
handle_icall(cs, bcs, at_state);
break;
case ACT_FAILSDOWN:
dev_warn(cs->dev, "Could not shut down the device.\n");
@ -1264,7 +1267,7 @@ static void do_action(int action, struct cardstate *cs,
cs->commands_pending = 1;
break;
}
/* fall through */
/* bad cid: fall through */
case ACT_FAILCID:
cs->cur_at_seq = SEQ_NONE;
channel = cs->curchannel;
@ -1339,7 +1342,6 @@ static void do_action(int action, struct cardstate *cs,
*p_resp_code = RSP_ERROR;
break;
}
/*at_state->getstring = 1;*/
cs->gotfwver = 0;
break;
case ACT_GOTVER:
@ -1471,7 +1473,6 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
int rcode;
int genresp = 0;
int resp_code = RSP_ERROR;
int sendcid;
struct at_state_t *at_state;
int index;
int curact;
@ -1499,7 +1500,6 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
at_state->ConState, ev->type);
bcs = at_state->bcs;
sendcid = at_state->cid;
/* Setting the pointer to the dial array */
rep = at_state->replystruct;
@ -1510,10 +1510,12 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
|| !at_state->timer_active) {
ev->type = RSP_NONE; /* old timeout */
gig_dbg(DEBUG_EVENT, "old timeout");
} else if (!at_state->waiting)
gig_dbg(DEBUG_EVENT, "timeout occurred");
else
gig_dbg(DEBUG_EVENT, "stopped waiting");
} else {
if (at_state->waiting)
gig_dbg(DEBUG_EVENT, "stopped waiting");
else
gig_dbg(DEBUG_EVENT, "timeout occurred");
}
}
spin_unlock_irqrestore(&cs->lock, flags);
@ -1561,45 +1563,40 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
do_action(rep->action[curact], cs, bcs, &at_state, &p_command,
&genresp, &resp_code, ev);
if (!at_state)
break; /* may be freed after disconnect */
/* at_state destroyed by disconnect */
return;
}
if (at_state) {
/* Jump to the next con-state regarding the array */
if (rep->new_ConState >= 0)
at_state->ConState = rep->new_ConState;
/* Jump to the next con-state regarding the array */
if (rep->new_ConState >= 0)
at_state->ConState = rep->new_ConState;
if (genresp) {
spin_lock_irqsave(&cs->lock, flags);
if (genresp) {
spin_lock_irqsave(&cs->lock, flags);
at_state->timer_expires = 0;
at_state->timer_active = 0;
spin_unlock_irqrestore(&cs->lock, flags);
gigaset_add_event(cs, at_state, resp_code, NULL, 0, NULL);
} else {
/* Send command to modem if not NULL... */
if (p_command) {
if (cs->connected)
send_command(cs, p_command, at_state);
else
gigaset_add_event(cs, at_state, RSP_NODEV,
NULL, 0, NULL);
}
spin_lock_irqsave(&cs->lock, flags);
if (!rep->timeout) {
at_state->timer_expires = 0;
at_state->timer_active = 0;
spin_unlock_irqrestore(&cs->lock, flags);
gigaset_add_event(cs, at_state, resp_code,
NULL, 0, NULL);
} else {
/* Send command to modem if not NULL... */
if (p_command) {
if (cs->connected)
send_command(cs, p_command,
sendcid, cs->dle,
GFP_ATOMIC);
else
gigaset_add_event(cs, at_state,
RSP_NODEV,
NULL, 0, NULL);
}
spin_lock_irqsave(&cs->lock, flags);
if (!rep->timeout) {
at_state->timer_expires = 0;
at_state->timer_active = 0;
} else if (rep->timeout > 0) { /* new timeout */
at_state->timer_expires = rep->timeout * 10;
at_state->timer_active = 1;
++at_state->timer_index;
}
spin_unlock_irqrestore(&cs->lock, flags);
} else if (rep->timeout > 0) { /* new timeout */
at_state->timer_expires = rep->timeout * 10;
at_state->timer_active = 1;
++at_state->timer_index;
}
spin_unlock_irqrestore(&cs->lock, flags);
}
}

View File

@ -111,11 +111,10 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
/* connection state */
#define ZSAU_NONE 0
#define ZSAU_DISCONNECT_IND 4
#define ZSAU_OUTGOING_CALL_PROCEEDING 1
#define ZSAU_PROCEEDING 1
#define ZSAU_CALL_DELIVERED 2
#define ZSAU_ACTIVE 3
#define ZSAU_DISCONNECT_IND 4
#define ZSAU_NULL 5
#define ZSAU_DISCONNECT_REQ 6
#define ZSAU_UNKNOWN -1
@ -183,18 +182,22 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
#define AT_NUM 7
/* variables in struct at_state_t */
/* - numeric */
#define VAR_ZSAU 0
#define VAR_ZDLE 1
#define VAR_ZCTP 2
/* total number */
#define VAR_NUM 3
/* - string */
#define STR_NMBR 0
#define STR_ZCPN 1
#define STR_ZCON 2
#define STR_ZBC 3
#define STR_ZHLC 4
/* total number */
#define STR_NUM 5
/* event types */
#define EV_TIMEOUT -105
#define EV_IF_VER -106
#define EV_PROC_CIDMODE -107